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2. Unmanned driving: an intelligent helper for land and sea transportationUnmanned technology: coastal defense, islands and frontier defense's new help to defend the motherland.1. UAV: the eye of the air in coastal defense and frontier defense.

Third, the challenges and countermeasures of unmanned technology applied to coastal defense islands and border defense3. Unmanned shops, hotels and banks: the service guarantee of frontier islands.Unmanned technology: coastal defense, islands and frontier defense's new help to defend the motherland.

Summary: Unmanned technologies such as unmanned aircraft, unmanned driving, unmanned shops, unmanned hotels and unmanned banks have provided a new source of strength for coastal defense islands and border defense to defend the motherland. They have many points of convergence with the needs of coastal defense islands and border defense, and can play a great role in monitoring, dangerous task execution and logistics support. Although it is faced with challenges such as adaptability to complex environment and security and confidentiality in the application process, unmanned technology will be able to better serve coastal defense islands and frontier defense by developing protection technologies and strengthening confidentiality management, and make important contributions to defending the territorial integrity and frontier security of the motherland.Second, the meeting point between the needs of coastal defense islands and border defense and unmanned technologyChina has a long coastline, numerous islands and vast land borders, and it is difficult for traditional monitoring methods to cover these vast areas. Unmanned technology can solve this problem well. Drones and unmanned devices can extend the monitoring range and fill the dead ends of monitoring. No matter in the waters around distant islands or in the inaccessible border mountainous areas, unmanned technology can continuously monitor and ensure that China's coastal defense islands and border defense areas are always under monitoring.